Strucural engineering Services: Need Designs, Plans or Calculations?
Expert structural engineering services for safe, efficient, and innovative building designs. From analysis to construction, ensuring strength and stability for all projects.
We provide structural engineering services for house extensions, wall removals, structural survey reports, loft conversion, chimney breast removal, steel & concrete design, timber & masonry design and site visit at any RIBA stage.
Our Services
We offer structural element design, calculations, and consultations. Our services include site visits and cost-effective solutions for your project needs.
Site Visits
✔ Initial Site Assessment ✔ Monitor Ongoing Construction (if work is in progress) ✔ Foundation and Excavation Inspection ✔ Review Temporary Structures
Structural Survey Reports
✔ Inspection of Existing Structures ✔ Survey Ground Conditions ✔Documentation and Reporting ✔ Ensure Compliance with Building Regulations
Steelwork & Concrete Design
✔ Check Building Plans and Design Specifications ✔ Post-Inspection Follow-Up ✔ Client Consultation (if needed)
Loft Conversion
✔ Dormer Loft Conversion ✔ Hip-to-Gable Loft Conversion ✔ Mansard Loft Conversion ✔ Velux (Rooflight) Loft Conversion ✔ L-Shaped Loft Conversion ✔ Modular Loft Conversion ✔ Roof Lift Loft Conversion ✔ Bungalow Loft Conversion
House Extension
✔ Single storey extension, providing ample additional living space ✔ Double storey extension, enhancing both levels of your home ✔ Versatile side return extension, maximizing your outdoor and indoor areas ✔ Garage extension, allowing for extra storage or workshop space
Basement steel design
✔ Retrofit Basement Conversion ✔ Cellar Conversion ✔ Full Basement Excavation ✔ Underpinning Basement Conversion ✔ Walk-Out Basement Conversion ✔ Lifted or Lowered Floor Basement Conversion ✔ Split-Level Basement Conversion ✔ Subterranean Extension
Chimney Breast Removal
✔ Structural Calculations ✔ Party Wall Agreement ✔ Building Regulations Approval ✔ Fireplace and Flue Sealing ✔ Debris Removal and Site Cleanup ✔ Reinstating Walls and Flooring
Wall Removals
✔ Load-Bearing Wall Assessment ✔ Installation of Steel Beams (RSJ) ✔ Building Regulations Approval ✔ Structural Calculations ✔ Electrical and Plumbing Re-routing ✔ Debris Removal and Site Cleanup
Timber & Masonry Design
✔ Masonry Wall Design ✔ Timber Beam Design ✔ Timber Frame Design ✔ Masonry Retaining Walls ✔ Timber Cladding Design ✔ Structural Timber Repair ✔ Lintel Design ✔ Fire-Resistant Timber Design
Why Choose us as a Structural Engineer
At AstraStone Construction Ltd, we understand that choosing the right structural engineer is critical to the success and safety of your project.Here’s why we are the preferred choice for homeowners, developers, and contractors in London and beyond:
1. Expertise You Can Trust
With years of experience in the industry, we offer a wealth of knowledge across a range of structural engineering services. From loft conversions and wall removals to basement and foundation design, our team is equipped to handle projects of any scale and complexity.
2. Bespoke Solutions
Every project is unique, and so are our solutions. We take the time to understand your specific needs, designing tailor-made plans that ensure safety, functionality, and aesthetics. Whether you’re working on a new build or a complex renovation, we deliver customized engineering solutions that fit your vision.
3. Compliance and Safety Focused
We guarantee that all our designs and recommendations meet the latest UK building regulations and industry standards. Safety is at the core of everything we do, and we conduct thorough assessments to ensure your structure is robust, compliant, and future-proof.
4. Innovative and Sustainable Design
5. Collaborative Approach
We work closely with architects, contractors, and other professionals to ensure smooth communication and project coordination. Our proactive and collaborative approach helps to avoid delays, resolve issues quickly, and ensure the project runs efficiently from start to finish.
6. Comprehensive Services
From initial site surveys to final inspections, we provide a full range of structural engineering services. Whether you need structural calculations, steel beam designs, or building support for chimney breast and wall removals, we’re your one-stop solution.
7. Transparent and Competitive Pricing
We believe in honest and transparent pricing, with no hidden fees. You’ll receive a detailed breakdown of costs at the start of the project, so you know exactly what to expect. Our competitive rates ensure you get top-quality service without breaking the budget.
8. Timely Delivery
We understand that time is crucial for any project, which is why we prioritize delivering our services on schedule. Our experienced team is committed to meeting deadlines without compromising on quality, helping you stay on track.
9. Proven Track Record
Our portfolio of successful projects and satisfied clients speaks for itself. We have a long-standing reputation for delivering high-quality work that exceeds client expectations, whether it’s residential properties or large-scale commercial projects.
10. Customer-Centric Support
We pride ourselves on offering excellent customer service. From the first consultation to project completion, we are here to guide you every step of the way. Your satisfaction is our top priority, and we strive to exceed your expectations.
When you choose AstraStone Construction Ltd, you’re not just hiring a structural engineer—you’re partnering with a dedicated team that values precision, quality, and trust. Let us help you turn your vision into a safe, sound, and successful reality.
Get in Touch, Ready to discuss your project? Contact us today for a free consultation and quote. Our team of structural engineers and builders in London is here to help you every step of the way.
We work At:
Structural Engineering:
NW London
Loft Conversion
NW London
House renovation
NW London



